CN202324052U - Excavator and control system thereof - Google Patents
Excavator and control system thereof Download PDFInfo
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- CN202324052U CN202324052U CN2011204790491U CN201120479049U CN202324052U CN 202324052 U CN202324052 U CN 202324052U CN 2011204790491 U CN2011204790491 U CN 2011204790491U CN 201120479049 U CN201120479049 U CN 201120479049U CN 202324052 U CN202324052 U CN 202324052U
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- 238000010276 construction Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The utility model discloses an excavator and control system thereof, include: a switch control device; when the main control device works normally, the switch control device is connected between the main control device and the driving device, so that the driving device can receive the control of the main control device through the switch control device; when the main control device breaks down, the switch control device is connected between the power switch device and the driving device, so that the driving device can obtain electric energy from a power supply through the switch control device and the power switch device. The utility model adds a switch control device in the control system of the full hydraulic mechanical executing mechanism, thereby avoiding the situations that the whole vehicle can not act and can not drive away from the dangerous area when the main control device fails, and reducing the construction risk of users; additionally, the utility model is simple in operation, dependable performance, with low costs.
Description
Technical field
The utility model relates to mechanical manufacturing field, relates in particular to a kind of excavator and the control system thereof that use on the heavy-duty machinery.
Background technology
Along with the continuous quickening of China's infrastructure, excavator has obtained using widely as the maximum a kind of construction equipment of sales volume in the engineering machinery.With the excavator is example, and along with automatically controlled and continuous development electronic technology, the electrical control system of excavator becomes increasingly complex; The effect that its main control unit is undertaken is more and more important; As shown in Figure 1, the structured flowchart for control system in the prior art comprises main control unit 11, power switch device 12, drive unit 13 and the safeties 15 that are connected with power supply 14; Power switch device 12 is connected with power supply 14; The input of main control unit 11 is connected with power switch device 12, and the output of main control unit 11 links to each other with drive unit 13, and the state that main control unit 11 detects power switch device 12 is when closed; 13 work of output control signal accessory drive, drive unit 13 control car loads carry out exercises.When main control unit 11 breaks down; Drive unit 13 just can't be effectively controlled; And then making the operation of entire equipment device can't carry out exercises, this equipment also can't move, and can't leave the job site; If in the steeper regional work of some gradients, then can bring certain construction risk to the user.
The utility model content
The utility model embodiment provides a kind of excavator and control system thereof, and the situation that can not in time leave the construction danger zone after having avoided the main control unit of existing machinery to break down takes place, and has reduced user's construction risk.
To above-mentioned purpose; The utility model provides a kind of control system; Comprise: power supply, the power switch device that is connected with power supply, main control unit and drive unit, said main control unit is used to detect the on off state of said power switch device, and controls said drive unit action; It is characterized in that, also comprise: switch controlling device;
When said main control unit operate as normal, said switch controlling device is connected between said main control unit and the said drive unit, makes said drive unit can accept the control of said main control unit through said switch controlling device; When said main control unit broke down, said switch controlling device was connected between said power switch device and the said drive unit, made said drive unit obtain electric energy from said power supply through said switch controlling device and said power switch device.
Said switch controlling device is the switch that is provided with first movable contact, second movable contact and a stationary contact, and said stationary contact is connected with said drive unit;
When said main control unit operate as normal, said first movable contact connects said main control unit, and connects said drive unit through said stationary contact; When said main control unit breaks down, switch to second movable contact by first movable contact in the said switch, make said second movable contact connect said power switch device, and connect said drive unit through said stationary contact.
Said switch controlling device is a single-pole double-throw switch (SPDT).
Said switch controlling device is a relay; When said main control unit fault, said relay carries out switch automatically and switches.
The utility model also provides a kind of excavator, comprises described control system.
The utility model also provides a kind of control system; Comprise: power supply, the power switch device that is connected with power supply, main control unit and drive unit; Said main control unit is used to detect the on off state of said power switch device; And control the said drive unit action that is connected, and it is characterized in that, also comprise: first switch controlling device;
When said main control unit operate as normal, said first switch controlling device is in off-state; When said main control unit breaks down; Said first switch controlling device is connected between said power switch device and the said drive unit, makes said drive unit obtain electric energy from said power supply through said first switch controlling device and said power switch device.
This system also comprises: the second switch control device;
When said main control unit operate as normal, said second switch control device makes said main control unit and said drive unit keep being connected; When said main control unit broke down, said second switch control device made said main control unit be connected with said drive unit disconnection.
First switch controlling device and said second switch control device are single-pole single-throw switch (SPST).
The utility model also provides a kind of excavator, comprises described control system.
The utility model advantage compared with prior art:
The utility model is through having increased a switch controlling device in all-hydraulic mechanical actuating mechanism control system; Avoided original when main control unit breaks down car load can't move, can't sail out of the appearance of situation such as deathtrap, and reduced user's construction risk; In addition, the utility model is simple to operate, dependable performance, cost are low.
Description of drawings
Fig. 1 is the structured flowchart of control system in the prior art;
Fig. 2 is the structured flowchart of the utility model embodiment one;
Fig. 3 is the circuit diagram of the utility model embodiment one;
Fig. 4 is the structured flowchart of the utility model embodiment two;
Fig. 5 is the circuit diagram of the utility model embodiment two;
Fig. 6 is the circuit diagram of the utility model embodiment three;
Fig. 7 is the circuit diagram of the utility model embodiment four.
The specific embodiment
The utility model embodiment provides a kind of excavator and control system thereof, and the situation that can not in time leave the construction danger zone after having avoided the main control unit of existing machinery to break down takes place, and has reduced user's construction risk.
Be example below with the excavator, carry out detailed description in conjunction with accompanying drawing and specific embodiment.
Like Fig. 2 and shown in Figure 3; Be respectively structured flowchart and the circuit diagram of the utility model embodiment one; Comprise: power supply 5, power switch device 2 through safeties 6 be connected with power supply 5, main control unit 1 and drive unit 3; Main control unit 1 is used to detect the on off state of power switch device 2, and accessory drive 3 actions, also comprises: switch controlling device 4; When main control unit 1 operate as normal, switch controlling device 4 is connected between main control unit 1 and the drive unit 3, makes drive unit 3 can accept the control of main control unit 1 through switch controlling device 4; When main control unit 1 breaks down; Switch controlling device 4 is connected between power switch device 2 and the drive unit 3; Make drive unit 3 obtain electric energy from power supply 5 through switch controlling device 4 and power switch device 2; Thereby make drive unit 3 energisings, can continue to control entire equipment and sail out of the construction area.
As shown in Figure 4, the structured flowchart for the utility model embodiment two comprises: main control unit 1, power switch device 2, drive unit 3, switch controlling device 4, safeties 6 and power supply 5.Wherein, power switch device 2 is connected with power supply 5 through safeties 6, and switch controlling device 4 is connected in the circuit of drive unit 3 and the output of main control unit 1; And be connected with power switch device 2, during normality, control main control unit 1 is a channel status with the circuit of drive unit 3; And the branch road that is connected with power switch device 2 is an off state; After main control unit 1 broke down, main control unit 1 was an off state with drive unit 3, switch controlling device 4 was connected the switch closure of power switch device 2; Make that the branch road that is connected with power switch device 2 is a "on" position, drive unit 3 can be worked on.
As shown in Figure 5, be the circuit diagram of the utility model embodiment two, wherein switch controlling device 4 is a single-pole double-throw switch (SPDT); Comprise a stationary contact C, movable contact A and movable contact B, stationary contact C is connected with drive unit 3; Movable contact A is connected with the output of main control unit 1, the action of the signal controlling drive unit 3 of this output output, and movable contact B is connected with power switch device 2; When main control unit 1 operate as normal, when switch meets movable contact A, keep the "on" position of main control unit 1 and drive unit 3; After main control unit 1 broke down, main control unit 1 was an off state with drive unit 3, and will work as switch and be connected with movable contact B this moment; This moment, drive unit 3 can form path with power switch device 2, safeties 6 and power supply 5 place branch roads; Can continue the duty of accessory drive 3, thereby avoid when main control unit 1 breaks down, the actuating mechanism of whole locomotive can not be carried out the situation of any operation.After power switch device 2 is through the movable contact B and drive unit 3 conductings that connect, can continue executable operations, make car load sail out of hazardous area or construction point.
As shown in Figure 6, the circuit diagram for the utility model embodiment three comprises: main control unit 1, first switch controlling device 41 (with reference to Fig. 3), power switch device 2, safeties 6 and power supply 5 also comprise: second switch control device 42.Wherein, Second switch control device 42 is single-pole single-throw switch (SPST) K1, and wherein K switch 1 connects between the output and drive unit 3 of programming master controller 1, controls the break-make of this branch road; K switch 2 connects power switch device 2 and drive unit 3, controls the "on" position of this branch road; When main control unit 1 operate as normal, the closure of maintained switch K1 makes the maintenance "on" position of main control unit 1 and drive unit 3; After main control unit 1 breaks down; Main control unit 1 is an off state with drive unit 3, and will work as K switch 2 closures this moment, and this moment, drive unit 3 formed path with power switch device 2, safeties 6 and power supply 5 place branch roads; Can continue the work of accessory drive 3; Thereby avoided when main control unit 1 breaks down, the actuating mechanism of whole locomotive can not be carried out the situation of any operation, after power switch device 2 is through the close switch K2 and drive unit 3 formation channel status that connect; Can make drive unit 3 continue executable operations, make whole locomotive sail out of hazardous area or construction point.
As shown in Figure 7, the circuit diagram for the utility model embodiment four comprises: main control unit 1, power switch device 2, switch controlling device, safeties 6 and power supply 5.Wherein switch controlling device is a relay 43, comprises a stationary contact C, movable contact A and movable contact B; Stationary contact C is connected with drive unit 3, and movable contact B is connected with the output of main control unit 1, the action of the signal controlling drive unit 3 of this output output; And movable contact A is connected with power switch device 2; When main control unit 1 operate as normal, the switch of relay 43 connects movable contact B, keeps the "on" position of main control unit 1 and drive unit 3; After main control unit 1 breaks down; Main control unit 1 is an off state with the branch road that is connected of drive unit 3; And main control unit 1 is connected also for opening circuit with relay 43; This moment, the linkage gauge tap of relay 43 jumped to movable contact A automatically by movable contact B, made drive unit 3 and power switch device 2, safeties 6 and power supply 5 place branch roads form paths, had realized that relay 4 operates automatically.Thereby avoided when main control unit 1 breaks down, the actuating mechanism of whole locomotive can not be carried out the situation of any operation, can continue executable operations, makes car load sail out of hazardous area or construction point.
In sum, the beneficial effect of the utility model is:
The utility model is through having increased a switch controlling device in all-hydraulic mechanical actuating mechanism control system; Avoided original when main control unit breaks down car load can't move, can't sail out of the appearance of situation such as deathtrap, and reduced user's construction risk; In addition, the utility model is simple to operate, dependable performance, cost are low.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. control system; Comprise: power supply, the power switch device that is connected with power supply, main control unit and drive unit; Said main control unit is used to detect the on off state of said power switch device; And control said drive unit action, and it is characterized in that, also comprise: switch controlling device;
When said main control unit operate as normal, said switch controlling device is connected between said main control unit and the said drive unit, makes said drive unit can accept the control of said main control unit through said switch controlling device; When said main control unit broke down, said switch controlling device was connected between said power switch device and the said drive unit, made said drive unit obtain electric energy from said power supply through said switch controlling device and said power switch device.
2. control as claimed in claim 1 system is characterized in that said switch controlling device is the switch that is provided with first movable contact, second movable contact and a stationary contact, and said stationary contact is connected with said drive unit;
When said main control unit operate as normal, said first movable contact connects said main control unit, and connects said drive unit through said stationary contact; When said main control unit breaks down, switch to second movable contact by first movable contact in the said switch, make said second movable contact connect said power switch device, and connect said drive unit through said stationary contact.
3. control as claimed in claim 2 system is characterized in that said switch controlling device is a single-pole double-throw switch (SPDT).
4. control as claimed in claim 2 system is characterized in that said switch controlling device is a relay; When said main control unit fault, first movable contact of said relay automatically switches to second movable contact.
5. an excavator is characterized in that, comprises each described control system of claim 1-4.
6. control system; Comprise: power supply, the power switch device that is connected with power supply, main control unit and drive unit; Said main control unit is used to detect the on off state of said power switch device; And control the said drive unit action that is connected, and it is characterized in that, also comprise: first switch controlling device;
When said main control unit operate as normal, said first switch controlling device is in off-state; When said main control unit breaks down; Said first switch controlling device is connected between said power switch device and the said drive unit, makes said drive unit obtain electric energy from said power supply through said first switch controlling device and said power switch device.
7. control as claimed in claim 6 system is characterized in that, also comprises: the second switch control device;
When said main control unit operate as normal, said second switch control device makes said main control unit and said drive unit keep being connected; When said main control unit broke down, said second switch control device made said main control unit be connected with said drive unit disconnection.
8. like claim 6 or 7 described control systems, it is characterized in that first switch controlling device and said second switch control device are single-pole single-throw switch (SPST).
9. an excavator is characterized in that, comprises each described control system of claim 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204790491U CN202324052U (en) | 2011-11-25 | 2011-11-25 | Excavator and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204790491U CN202324052U (en) | 2011-11-25 | 2011-11-25 | Excavator and control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202324052U true CN202324052U (en) | 2012-07-11 |
Family
ID=46436035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204790491U Expired - Fee Related CN202324052U (en) | 2011-11-25 | 2011-11-25 | Excavator and control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202324052U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105393715A (en) * | 2015-12-08 | 2016-03-16 | 重庆翼虎动力机械有限公司 | Tobacco seed threshing machine |
| CN105393714A (en) * | 2015-12-08 | 2016-03-16 | 重庆翼虎动力机械有限公司 | Movable tobacco seed threshing apparatus |
| CN105393716A (en) * | 2015-12-08 | 2016-03-16 | 重庆翼虎动力机械有限公司 | Elevating tobacco seed threshing machine |
| CN105413823A (en) * | 2015-12-08 | 2016-03-23 | 重庆翼虎动力机械有限公司 | Movable tobacco smashing device |
| CN107700566A (en) * | 2017-09-25 | 2018-02-16 | 广西柳工机械股份有限公司 | Working device of loader resets system |
| CN109270855A (en) * | 2018-11-22 | 2019-01-25 | 中联重科股份有限公司 | Starting control equipment and method for engineering machinery and engineering machinery |
-
2011
- 2011-11-25 CN CN2011204790491U patent/CN202324052U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105393715A (en) * | 2015-12-08 | 2016-03-16 | 重庆翼虎动力机械有限公司 | Tobacco seed threshing machine |
| CN105393714A (en) * | 2015-12-08 | 2016-03-16 | 重庆翼虎动力机械有限公司 | Movable tobacco seed threshing apparatus |
| CN105393716A (en) * | 2015-12-08 | 2016-03-16 | 重庆翼虎动力机械有限公司 | Elevating tobacco seed threshing machine |
| CN105413823A (en) * | 2015-12-08 | 2016-03-23 | 重庆翼虎动力机械有限公司 | Movable tobacco smashing device |
| CN107700566A (en) * | 2017-09-25 | 2018-02-16 | 广西柳工机械股份有限公司 | Working device of loader resets system |
| CN107700566B (en) * | 2017-09-25 | 2020-01-07 | 广西柳工机械股份有限公司 | Resetting system for working device of loader |
| CN109270855A (en) * | 2018-11-22 | 2019-01-25 | 中联重科股份有限公司 | Starting control equipment and method for engineering machinery and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20151125 |